const CryptoJS = require('crypto-js');  //引用AES源码js
//const key = CryptoJS.enc.Utf8.parse("1234123412ABCDEF"); //十六位十六进制数作为秘钥
//const iv = CryptoJS.enc.Utf8.parse('ABCDEF1234123412'); //十六位十六进制数作为秘钥偏移量
module.exports =(k,i)=>{
    const key =  CryptoJS.enc.Utf8.parse(k);
    const iv = CryptoJS.enc.Utf8.parse(i);
    return {
        d : function Decrypt(word) {
            let encryptedHexStr = CryptoJS.enc.Hex.parse(word);
            let srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
            let decrypt = CryptoJS.AES.decrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
            let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
            return decryptedStr.toString()
        },
        e : function Encrypt(word) {
            let srcs = CryptoJS.enc.Utf8.parse(word);
            let encrypted = CryptoJS.AES.encrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
            return encrypted.ciphertext.toString().toUpperCase();
        }
    }
}